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Finding the Fourth Proportional to 50,580.90, 69,791.22 and 29,066.49

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Solution

The fourth proportional to 50,580.90, 69,791.22 and 29,066.49 is: 40,105.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,580.90 : 69,791.22 = 29,066.49 : x
  2. Step 2: Convert to fraction form
    50,580.90/69,791.22 = 29,066.49/x
  3. Step 3: Cross multiply
    50,580.90x = 69,791.22 × 29,066.49
  4. Step 4: Simplify right side
    50,580.90x = 2,028,585,303.93
  5. Step 5: Solve for x
    x = 2,028,585,303.93/50,580.90
  6. Step 6: Final answer
    x = 40,105.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.